Alright, let's work through 8573 times 7789 step by step
8573 × 7789 = 7789 × (8573)
+ 7789 × 3 resulting in 23367
+ 7789 × 70 what gives us 545230
+ 7789 × 500 producing 3894500
+ 7789 × 8000 producing 62312000

= 66775097
